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Dr. John R. Gray, MD

(Dr. John Robert Gray, M.D.)

(No ratings)

Specializes in: Adult Nephrology
University of North Dakota School of Medicine and Health Sciences
111 Hundertmark Road Suite 240
Chaska, MN 55318

Dr. John R. Gray, MD is a nephrologist in Chaska, MN specializing in adult nephrology. He graduated from University of North Dakota School of Medicine and Health Sciences. Dr. John R. Gray, MD is affiliated with Allina Health, Kidney Specialists of Minnesota, North Memorial Health, Ridgeview and REGENCY HOSPITAL OF MINNEAPOLIS, LLC.

View Doctor's Full Profile (763) 544-0696

Office Locations

111 Hundertmark Road Suite 240
Chaska, MN 55318
open_in_new
560 S Maple Street Suite 6
Waconia, MN 55387
open_in_new

Ridgeview

6200 Shingle Creek Parkway Suite 250
Brooklyn Center, MN 55430
(763) 544-0696
(763) 544-0984
open_in_new

In The News 

“"There is new scientific research essentially confirming what John Gray has been saying for years, that men and women are different now we know it comes down to very basic hormonal levels."”—"Planetary hopping", Twin Cities Pioneer Press, October 2010

Noteworthy Medicare Patient Procedures Performed by Dr. John R. Gray, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 25%

By Volume:

inpatient hospital care

In 2012, Dr. John R. Gray, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within Minnesota.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John R. Gray, MD treated as a nephrologist in Chaska, MN during 2012 were hospital care, inpatient care, blood draw and lab tests.

Volume of procedures performed by Dr. John R. Gray, MD for Medicare patients.

blood draw 204
dialysis 49
doctor visit 233
hospital care 503
inpatient care 503
lab tests 75

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John R. Gray, MD treated as a nephrologist in Chaska, MN during 2013 were hospital care, inpatient care, blood draw and dialysis.

Volume of procedures performed by Dr. John R. Gray, MD for Medicare patients.

blood draw 166
dialysis 60
doctor visit 209
hospital care 602
inpatient care 602
lab tests 40

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Gray, MD.

Gender
Male 227
Female 231
Ethnicity
Non-Hispanic White 355
Black 63
Hispanic 0
Asian 16
Other 0
Native American 0
Age
From 65 to 74 137
From 75 to 84 119
85 and over 51
Less than 65 151

Conditions of Medicare patients treated by Dr. John R. Gray, MD in 2013

Hypertension 75
High Cholesterol 62
Stroke 9
Ischemic Heart Disease 50
Depression 38
Chronic Kidney Disease 75
Asthma 10
Osteoperosis 5
Atrial Fibrilation 21
Heart Failure 48
Chronic Obstructive Pulmonary Disease 20
Diabetes 53
Dementia 19
Cancer 11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John R. Gray, MD treated as a nephrologist in Chaska, MN during 2014 were hospital care, inpatient care, blood draw and dialysis.

Volume of procedures performed by Dr. John R. Gray, MD for Medicare patients.

blood draw 142
dialysis 75
doctor visit 181
hospital care 588
inpatient care 588
lab tests 25

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Gray, MD.

Gender
Male 216
Female 198
Ethnicity
Non-Hispanic White 307
Black 71
Hispanic 0
Asian 17
Other 0
Native American 0
Age
From 65 to 74 122
From 75 to 84 96
85 and over 44
Less than 65 152

Conditions of Medicare patients treated by Dr. John R. Gray, MD in 2014

Hypertension 75
High Cholesterol 63
Stroke 10
Ischemic Heart Disease 52
Depression 36
Chronic Kidney Disease 75
Asthma 9
Osteoperosis 4
Atrial Fibrilation 22
Heart Failure 54
Chronic Obstructive Pulmonary Disease 23
Diabetes 57
Dementia 16
Cancer 10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John R. Gray, MD treated as a nephrologist in Chaska, MN during 2015 were hospital care, inpatient care, blood draw and dialysis.

Volume of procedures performed by Dr. John R. Gray, MD for Medicare patients.

blood draw 150
dialysis 97
doctor visit 167
hospital care 582
inpatient care 582
lab tests 24

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Gray, MD.

Gender
Male 412
Female 386
Ethnicity
Non-Hispanic White 556
Black 168
Hispanic 0
Asian 32
Other 0
Native American 0
Age
From 65 to 74 236
From 75 to 84 182
85 and over 88
Less than 65 292

Conditions of Medicare patients treated by Dr. John R. Gray, MD in 2015

Hypertension 75
High Cholesterol 58
Stroke 8
Ischemic Heart Disease 55
Depression 36
Chronic Kidney Disease 75
Asthma 16
Osteoperosis 8
Atrial Fibrilation 22
Heart Failure 58
Chronic Obstructive Pulmonary Disease 19
Diabetes 56
Dementia 16
Cancer 9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John R. Gray, MD treated as a nephrologist in Chaska, MN during 2016 were hospital care, inpatient care, blood draw and dialysis.

Volume of procedures performed by Dr. John R. Gray, MD for Medicare patients.

blood draw 130
dialysis 77
doctor visit 154
hospital care 454
inpatient care 454
lab tests 29

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Gray, MD.

Gender
Male 189
Female 201
Ethnicity
Non-Hispanic White 272
Black 85
Hispanic 0
Asian 19
Other 0
Native American 0
Age
From 65 to 74 111
From 75 to 84 88
85 and over 32
Less than 65 159

Conditions of Medicare patients treated by Dr. John R. Gray, MD in 2016

Hypertension 75
High Cholesterol 59
Stroke 7
Ischemic Heart Disease 53
Depression 39
Chronic Kidney Disease 75
Asthma 27
Osteoperosis 5
Atrial Fibrilation 19
Heart Failure 52
Chronic Obstructive Pulmonary Disease 21
Diabetes 61
Dementia 18
Cancer 9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John R. Gray, MD treated as a nephrologist in Chaska, MN during 2017 were hospital care, inpatient care, dialysis and blood draw.

Volume of procedures performed by Dr. John R. Gray, MD for Medicare patients.

blood draw 12
dialysis 56
doctor visit 134
hospital care 405
inpatient care 405

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Gray, MD.

Gender
Male 198
Female 155
Ethnicity
Non-Hispanic White 249
Black 66
Hispanic 0
Asian 16
Other 0
Native American 0
Age
From 65 to 74 104
From 75 to 84 93
85 and over 30
Less than 65 126

Conditions of Medicare patients treated by Dr. John R. Gray, MD in 2017

Hypertension 75
High Cholesterol 57
Stroke 8
Ischemic Heart Disease 58
Depression 37
Chronic Kidney Disease 75
Asthma 10
Osteoperosis 8
Atrial Fibrilation 22
Heart Failure 52
Chronic Obstructive Pulmonary Disease 24
Diabetes 58
Dementia 18
Cancer 10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John R. Gray, MD treated as a nephrologist in Chaska, MN during 2018 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. John R. Gray, MD for Medicare patients.

dialysis 65
doctor visit 132
hospital care 407
inpatient care 407

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Gray, MD.

Gender
Male 194
Female 175
Ethnicity
Non-Hispanic White 272
Black 58
Hispanic 0
Asian 19
Other 0
Native American 0
Age
From 65 to 74 98
From 75 to 84 90
85 and over 44
Less than 65 137

Conditions of Medicare patients treated by Dr. John R. Gray, MD in 2018

Hypertension 75
High Cholesterol 65
Stroke 8
Ischemic Heart Disease 57
Depression 39
Chronic Kidney Disease 75
Asthma 12
Osteoperosis 10
Atrial Fibrilation 22
Heart Failure 55
Chronic Obstructive Pulmonary Disease 21
Diabetes 59
Dementia 15
Cancer 11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John R. Gray, MD treated as a nephrologist in Chaska, MN during 2019 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. John R. Gray, MD for Medicare patients.

dialysis 112
doctor visit 169
hospital care 650
inpatient care 650

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Gray, MD.

Gender
Male 261
Female 220
Ethnicity
Non-Hispanic White 362
Black 70
Hispanic 14
Asian 19
Other 0
Native American 0
Age
From 65 to 74 0
From 75 to 84 138
85 and over 55
Less than 65 141

Conditions of Medicare patients treated by Dr. John R. Gray, MD in 2019

Hypertension 75
High Cholesterol 66
Stroke 10
Ischemic Heart Disease 58
Depression 39
Chronic Kidney Disease 75
Asthma 11
Osteoperosis 7
Atrial Fibrilation 24
Heart Failure 58
Chronic Obstructive Pulmonary Disease 24
Diabetes 56
Dementia 16
Cancer 13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John R. Gray, MD treated as a nephrologist in Chaska, MN during 2020 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. John R. Gray, MD for Medicare patients.

dialysis 98
doctor visit 119
hospital care 470
inpatient care 470

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Gray, MD.

Gender
Male 223
Female 189
Ethnicity
Non-Hispanic White 305
Black 62
Hispanic 12
Asian 19
Other 0
Native American 0
Age
From 65 to 74 140
From 75 to 84 114
85 and over 46
Less than 65 112

Conditions of Medicare patients treated by Dr. John R. Gray, MD in 2020

Hypertension 75
High Cholesterol 67
Stroke 9
Ischemic Heart Disease 64
Depression 39
Chronic Kidney Disease 75
Asthma 10
Osteoperosis 5
Atrial Fibrilation 25
Heart Failure 54
Chronic Obstructive Pulmonary Disease 23
Diabetes 57
Dementia 20
Cancer 12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John R. Gray, MD treated as a nephrologist in Chaska, MN during 2021 were hospital care, inpatient care, chronic care and dialysis.

Volume of procedures performed by Dr. John R. Gray, MD for Medicare patients.

chronic care 71
dialysis 36
doctor visit 125
hospital care 376
inpatient care 376

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Gray, MD.

Gender
Male 195
Female 170
Ethnicity
Non-Hispanic White 282
Black 47
Hispanic 0
Asian 14
Other 0
Native American 0
Age
From 65 to 74 112
From 75 to 84 115
85 and over 49
Less than 65 89

Conditions of Medicare patients treated by Dr. John R. Gray, MD in 2021

Hypertension 75
High Cholesterol 60
Stroke 9
Ischemic Heart Disease 57
Depression 34
Chronic Kidney Disease 75
Asthma 11
Osteoperosis 4
Atrial Fibrilation 23
Heart Failure 49
Chronic Obstructive Pulmonary Disease 22
Diabetes 58
Dementia 19
Cancer 10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John R. Gray, MD treated as a nephrologist in Chaska, MN during 2022 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. John R. Gray, MD for Medicare patients.

dialysis 27
doctor visit 158
hospital care 368
inpatient care 368

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Gray, MD.

Gender
Male 172
Female 150
Ethnicity
Non-Hispanic White 259
Black 29
Hispanic 0
Asian 14
Other 0
Native American 0
Age
From 65 to 74 92
From 75 to 84 117
85 and over 38
Less than 65 75

Conditions of Medicare patients treated by Dr. John R. Gray, MD in 2022

Hypertension 75
High Cholesterol 74
Stroke 16
Ischemic Heart Disease 48
Depression 35
Chronic Kidney Disease 75
Asthma 12
Osteoperosis 12
Atrial Fibrilation 34
Heart Failure 50
Chronic Obstructive Pulmonary Disease 25
Diabetes 58
Dementia 15
Cancer 16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John R. Gray, MD for Medicare patients.

The highest averages for the top procedures that Dr. John R. Gray, MD treated as a nephrologist in Chaska, MN were hospital care, inpatient care, blood draw and chronic care.

blood draw 134
chronic care 71
dialysis 68
doctor visit 161
hospital care 491
inpatient care 491
lab tests 38

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John R. Gray, MD.

Gender
Male 207
Female 188
Ethnicity
Black / African American 65
Asian / Pacific Islander 16
Non-Hispanic White 292
Hispanic 2
Native American / Alaskan Native 0
Other 0
Age
75 to 84 104
85 and over 43
Less than 65 130
65 to 74 104

Average of Total of Conditions of Medicare patients treated by Dr. John R. Gray, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John R. Gray, MD treated were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension 68
High Cholesterol 57
Stroke 8
Ischemic Heart Disease 50
Depression 33
Chronic Kidney Disease 68
Asthma 11
Osteoporosis 6
Heart Failure 48
Chronic Obstructive Pulmonary Disease 20
Diabetes 52
Atrial Fibrillation 21
Cancer 10
Dementia 15

Education & Training

Dr. John R. Gray, MD graduated from University of North Dakota School of Medicine and Health Sciences. He completed residency at Hennepin County Medical Center. He is certified by the American Board of Internal Medicine (Sub: Nephrology) and has a state license in Minnesota.

Medical School: University of North Dakota School of Medicine and Health Sciences

Residency: Hennepin County Medical Center

Board Certification: American Board of Internal Medicine (Sub: Nephrology)

Licensed In: Minnesota

Affiliations & Hospitals

Dr. John R. Gray, MD is associated with these hospitals and organizations:

Allina Health
Kidney Specialists of Minnesota
North Memorial Health
Ridgeview
REGENCY HOSPITAL OF MINNEAPOLIS, LLC

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. John R. Gray, MD appears to accept the following insurance providers: Aetna, UnitedHealthcare, HealthPartners, Medicare, Blue Cross, Medicaid, Medical Assistance, Ucare and Medica.

Insurance Accepted by Provider includes:

According to our sources, Dr. John R. Gray, MD accepts the following insurance providers:

Aetna
UnitedHealthcare
HealthPartners
Medicare
Blue Cross
Medicaid
Medical Assistance
Ucare
Medica

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. John R. Gray, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

Payments by Company
Retrophin, Inc. $3 (815) Thiola
$3
Types of Payments
Education $3

Biography

Dr. John Gray is an adult nephrology specialist. He seems to honor Blue Cross, UnitedHealthcare, Blue California, and more. He graduated from the University of North Dakota School of Medicine and Health Sciences. Dr. Gray's residency was performed at Hennepin County Medical Center. He has received professional recognition including the following: Mpls.St.Paul Magazine s Top Doctors; Mpls.St.Paul Magazine Top Doctors; and Mpls.St.Paul Magazine Super Doctors. His hospital/clinic affiliations include North Memorial Health, Kidney Specialists of Minnesota, and Ridgeview.

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